🌱 MyLocalPlanting

When to Plant Tomato in Kivalina, Alaska (99750)

Location

Kivalina, Alaska

ZIP Code

99750

USDA Zone

3a

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, April 13, 2026

Pro Tip: Tomato can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lycopersicon esculentum
Days to Maturity 70 days
Mature Height 36-72"
Spread 24"
Type Indeterminate
Fruit Size Medium (4-8 oz)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

🤝 Good Companions

BasilCarrotParsleyMarigoldBorage

⚠️ Avoid Planting Near

BrassicasFennelCornKohlrabi

Other Plants for Kivalina

Growing Tomato in Zone 3a

Tomato (Lycopersicon esculentum) is a popular garden vegetable. In Kivalina, Alaska, which is in USDA Hardiness Zone 3a, you should direct sow seeds around Monday, April 13, 2026.

Your average last frost date is Monday, May 25, 2026. Tomato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.